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Finding the Fourth Proportional to 659,627.96, 910,286.90 and 373,141.96

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Solution

The fourth proportional to 659,627.96, 910,286.90 and 373,141.96 is: 514,936.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,627.96 : 910,286.90 = 373,141.96 : x
  2. Step 2: Convert to fraction form
    659,627.96/910,286.90 = 373,141.96/x
  3. Step 3: Cross multiply
    659,627.96x = 910,286.90 × 373,141.96
  4. Step 4: Simplify right side
    659,627.96x = 339,666,238,028.32
  5. Step 5: Solve for x
    x = 339,666,238,028.32/659,627.96
  6. Step 6: Final answer
    x = 514,936.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.